Rep. Bobby Schilling received a "very concerning email" Tuesday evening, according to reports

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U.S. Rep. Bobby Schilling (R-IL) listens during a news conference in front of the Capitol July 28 on Capitol Hill.

The feds are investigating an online threat against an Illinois congressman.

Rep. Bobby Schilling (R-Ill.) received a "very concerning email alert Tuesday evening" that offered a reward for his assassination, his spokeswoman told The Hill.

The email threat states, "I will pay $75,000 for ASSASSINATING Illinois Congresswoman (sic) Bobby Schilling and any US Congressman, US Senator and FBI, CIA and NSA DIRECTORS and their FAMILY MEMBERS regardless of their age,” according to reports.

Sherriff’s deputies responded to the congressman’s district home, according to The Hill. Spokeswoman Andrea Pivarunas said Schilling and his family are taking recommended precautions while the FBI and U.S. Capitol Police investigate the matter.

“He is grateful for the professionalism of local law enforcement in responding to this situation,” Pivarunas told the publication.